Fig. 10From: Evaluation of fatty acids in groomed fingerprint by gas chromatographic analysis using various extraction solvents and treatment methodsTotal quantity of fatty acids by using different treatment methods (μg of total fatty acid). Data are represented as means ± SEM. The p value is < 0.0295 (n = 8, eight donors). The two asterisks indicate 0.0001≤p < 0.001Back to article page